#ifndef __MODIFY_USER_H__
#define __MODIFY_USER_H__

// 引用头文件
#include "head.h"
void Change_grade (FlightSystem * Flight_list,U_node* ptr,int flag);
void dete_change (U_data data,FlightSystem * Flight_list);

void add_super_user(U_list* list);
void delete_super_user(U_list* list);
#endif 